美国FULFLO安全阀FULFLO于1912年成立，世界著名安全阀制造阀,1935年获美国专利。 Fulflo位于布兰切斯特，距离俄亥俄州辛辛那提东北部只有30英里，靠近该州大的制造中心部分。
FULFLO安全阀V系列 VJ, VB, VS, VSS, VJ-SP VJF, VBF, VSF, VSSF, VJF-SP HVJ, HVB, HVS, HVSS HVJ-P, HVB-P, HVS-P, HVSS-P HVJF, HVBF, HVSF, HVSSF HVJF-P, HVBF-P, HVSF-P, HVSSF-P .FULFLO安全阀FV系列 FVJ, FVB, FVS, FVSS FVJF, FVBF, FVSF, FVSSF . .FULFLO安全阀 A系列AAD, ACD AADF, ACDF . . . .FULFLO安全阀 SVB系列Established in 1912, Fulflo was incorporated in 1933 under its present name and trademark. Patents for the original guided piston, direct-acting relief valve were obtained in 1935, coincident with the onset of fluid power systems. The need for providing large flows without excessive bulk was subsequently met by the pilot-valve-controlled relief valve, a patent on which was issued to Fulflo in 1943 (U.S. Patent No. 2,333,522). Fulflo is located in Blanchester, Ohio just 30 miles northeast of Cincinnati, close to some of the state's largest manufacturing centers. Blanchester is served by air from Greater Cincinnati Airport and alternately from Dayton